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Finding the Fourth Proportional to 65,693.27, 90,650.77 and 37,017.60

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Solution

The fourth proportional to 65,693.27, 90,650.77 and 37,017.60 is: 51,080.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,693.27 : 90,650.77 = 37,017.60 : x
  2. Step 2: Convert to fraction form
    65,693.27/90,650.77 = 37,017.60/x
  3. Step 3: Cross multiply
    65,693.27x = 90,650.77 × 37,017.60
  4. Step 4: Simplify right side
    65,693.27x = 3,355,673,935.99
  5. Step 5: Solve for x
    x = 3,355,673,935.99/65,693.27
  6. Step 6: Final answer
    x = 51,080.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.